秋霞午夜鲁丝一区二区老狼,亚洲中文字幕在线观看,特级西西444www大胆高清无视频,婬荡欲女搡BBBB搡BBB视频,国内精品国产成人国产三级

首頁 > 產(chǎn)品目錄 > 對照品 > 中藥對照品 > 白芍系列 > 兒茶素/(+)兒茶素/兒茶酸/羥黃酮/西阿尼醇/右旋兒茶酚/兒茶精/茶單寧/(2R,3S)-2-(3,4-二羥基苯基)苯并吡喃-3,5,7-三醇/(2R,3S)-2-(3,4-二羥基苯基)-3,4-二氫-2H-苯并吡喃-3,5,7-三醇/兒茶素(右旋)/(+)-兒茶精/(+)-兒茶精水合物

兒茶素/(+)兒茶素/兒茶酸/羥黃酮/西阿尼醇/右旋兒茶酚/兒茶精/茶單寧/(2R,3S)-2-(3,4-二羥基苯基)苯并吡喃-3,5,7-三醇/(2R,3S)-2-(3,4-二羥基苯基)-3,4-二氫-2H-苯并吡喃-3,5,7-三醇/兒茶素(右旋)/(+)-兒茶精/(+)-兒茶精水合物

Cianidanol,(+)-Catechin hydrate

產(chǎn)品編號:WKQ-0000015 CAS No.:154-23-4 純度:HPLC≥98% 分子式:C15H14O6
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
需詢價
現(xiàn)貨
1g及以上 20mg 50mg HPLC≥98% 20mg/支 100mg 200mg 500mg 1g
  • 基礎(chǔ)信息
  • 產(chǎn)品詳情
  • 相關(guān)文獻(xiàn)
基本信息
英文名稱 Cianidanol,(+)-Catechin hydrate
中文名稱兒茶素/(+)兒茶素/兒茶酸/羥黃酮/西阿尼醇/右旋兒茶酚/兒茶精/茶單寧/(2R,3S)-2-(3,4-二羥基苯基)苯并吡喃-3,5,7-三醇/(2R,3S)-2-(3,4-二羥基苯基)-3,4-二氫-2H-苯并吡喃-3,5,7-三醇/兒茶素(右旋)/(+)-兒茶精/(+)-兒茶精水合物
CAS號154-23-4
分子式C15H14O6
分子量290.27
外觀 白色粉末154-23-4
熔點175-177 °C
沸點629.2 °C
酸度系數(shù)pKa9.54±0.10 | Condition: Most Acidic Temp: 25 °C
產(chǎn)品詳情

WKQ-0000015

中文名稱:兒茶素

中文別名:(+)兒茶素;兒茶酸;羥黃酮;西阿尼醇;右旋兒茶酚;兒茶精;茶單寧;(2R,3S)-2-(3,4-二羥基苯基)苯并吡喃-3,5,7-三醇;(2R,3S)-2-(3,4-二羥基苯基)-3,4-二氫-2H-苯并吡喃-3,5,7-三醇;兒茶素(右旋);(+)-兒茶精;(+)-兒茶精水合物

英文名稱:Cianidanol,(+)-Catechin hydrate

英文別名:2H-1-Benzopyran-3,5,7-triol, 2-(3,4-dihydroxyphenyl)-3,4-dihydro-, (2R-trans)-;Catechol (8CI);(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-2H-1-benzopyran-3,5,7-triol;(+)-(2R,3S)-2-(3,4-Dihydroxyphenyl)-3,4-dihydro-1(2H)-benzopyran-3,5,7-triol;(+)-(2R:3S)-5,7,3',4'-Tetrahydroxyflavan-3-ol;(+)-3',4',5,7-Tetrahydroxy-2,3-trans-flavan-3-ol;(+)-Catechin;(+)-Catechol;(+)-Cianidanol;(+)-Cyanidan-3-ol;(+)-Cyanidanol;(+)-Cyanidanol-3;(2R,3S)-(+)-Catechin;3-Cyanidanol, (+)-;Biocatechin;Catechin;Catechin (flavan);Catechinic acid;Catechol (flavan);Catechuic acid;Catergen;Cianidanol;Cyanidanol;Cyanidol;D-(+)-Catechin;D-Catechin;D-Catechol;Dexcyanidanol;HB-MC-TS 35;NSC 2819;P 70A;PP-S4-1;Sunkatol No. 1;Sunphenon 90;Teafuran 30A;Teafuran 30E;d-Catechin;trans-(+)-3,3',4',5,7-Flavanpentol;

分子式:C15H14O6

分子量:290.27

CAS號:154-23-4

純度:HPLC≥98%

熔點:175-177 °C

沸點:629.2 °C

密度:1.593±0.06 g/cm3 | Condition: Temp: 20 °C Press: 760 Torr

酸系度數(shù):9.54±0.10 | Condition: Most Acidic Temp: 25 °C

儲存條件:-20℃,干燥、避光、密封

規(guī)格:5mg10mg20mg50mg100mg500mg1g2g等應(yīng)客戶需求包裝

供應(yīng)單位:四川省維克奇生物科技有限公司

供應(yīng)電話:028-81700200/4008005713

四川省維克奇生物科技有限公司生產(chǎn)中藥類標(biāo)準(zhǔn)品和天然植物有效單體,主打中藥對照品/標(biāo)準(zhǔn)品/天然植物有效單體,化學(xué)合成,抗生素三大板塊。公司推出丹參系列、龍膽系列、蟲草系列等,敬請關(guān)注!    新批次有現(xiàn)貨,歡迎咨詢。


相關(guān)文獻(xiàn)
Leaf and Flower Extracts of Six Michelia L.: Polyphenolic Composition, Antioxidant, Antibacterial Activities and in Vitro Inhibition of α-Amylase and α-Glucosidase
來源:SCI:CHEMISTRY & BIODIVERSITY 作者:Tianzhu Liao 備注:影響因子:2.408
引用描述

Folin-Ciocalteureagent,gallic acid, catechinand otherpolyphenolicstandardswere purchasedfrom SichuanWeikeqiBiologicalTechnologyCo., Ltd. (China).1,1-Diphenyl-2-picrylhydrazyl(DPPH),2,2’-azinobis(3-ethyl-benzothiazoline-6-sulfonicacid)diammoniumsalt(ABTS),2,4,6-tris(2-pyridyl)-s-triazine(TPTZ),trolox,α-amylase,α-glucosidaseand 4-nitrophenyl-α-D-gluco-pyranoside(α-PNPG)wereobtainedfromSigma–Aldrich(USA).

Rapid analysis of components in Qizhiweitong tablets and plasma after oral administration in rats by UPLC-Q-TOF-MS/MS based on self-developed database
來源:SCI:BIOMEDICAL CHROMATOGRAPHY 作者:Qi Bing 備注:影響因子:1.911
引用描述

QZWTT was provided by Liaoning Huarun Benxi Sanyao Co. Ltd(Benxi, China, lot no. 20200101). We used 26 chemical referencestandards in this study (Chengdu Pufeide BioTechnology Co. Ltd,Cheng du, China or Weikeqi Biological Technology Co. Ltd, Chengdu,China; Table S1). The acetonitrile, methanol (Merck, Germany) andformic acid (Fisher, USA) were of LC–MS grade, whereas the remain-ing chemicals were of analytically grade.

Structure-based identification and pathway elucidation of flavonoids in Camptotheca acuminate
來源:SCI:Synthetic and Systems Biotechnology 作者:Xiang Pu 備注:影響因子:4.781
引用描述

Luteolin, quercetin, genistein, naringenin, isoliquiritigenin, mangiferin, and catechin standards were purchased from Weikeqi Biotech. Methanol, n-hexane, formic acid (analytical grade) were purchased from Chron Chemicals. Methanol (chromatographic grade) was purchased from Fisher.

Embelia Laeta aqueous extract suppresses acute inflammation via decreasing COX-2/iNOS expression and inhibiting NF-κB pathway
來源:SCI:JOURNAL OF ETHNOPHARMACOLOGY 作者:Zhongmin Zhang 備注:影響因子:4.36
引用描述

Indomethacin (Indo) was purchased from Shanxi Yun-Peng Pharmaceutical. Co., Ltd. (China). The reference standard of gallic acid (>98% purity, wkq20010905), protocatechuic acid (>98% purity, wkq20020706), catechin (>98% purity, wkq20021707), epicatechin (>98% purity, wkq20012203), rutin (>98% purity, wkq20030203) were purchased from Sichuan Weikeqi Biotechnology Co., Ltd. (China). All other reagents were of analytical purity grade or better.

Two phenolic antioxidants in Suoyang enhance viability of ?OH-damaged mesenchymal stem cells: comparison and mechanistic chemistry
來源:SCI:Chemistry Central Journal 作者:Yulu Xie 備注:影響因子:4.215
引用描述

Luteolin-7-O-β-D-glucoside (CAS 68321-11-9, 98%), protocatechuic acid (CAS 99-50-3, 98%), catechin (CAS 154-23-4, 98%), epicatechin (CAS 18829-70-4, 98%), naringenin (CAS 480-41-1, 98%), isoquercitrin (CAS 482-35-9, 98%), and phlorizin (CAS 60-81-1, 98%) were purchased from Weikeqi Biological Technology Co., Ltd. (Chengdu, China). Gallic acid (CAS 149-91-7, 98%) was purchased from Shanghai Aladdin Chemistry Co., Ltd. (Shanghai, China)

Chemical basis of hawthorn processed with honey protecting against myocardial ischaemia
來源:SCI:Food & Function 作者:Nannan Ao 備注:影響因子:4.171
引用描述

and triglyceride (TG) were purchased from

Nanjing Jiancheng Biotechnology Co., Ltd.. Honey was purchased from Jiangxi Yibe Industrial

Co., Ltd.. Reference standards of isoquercitrin, catechin, epicatechin, hyperoside,

proanthocyanidin B2, vitexin rhamnoside, hesperidin, rutin, quercetin, and luteolin were

purchased from Sichuan Wei Keqi Biotechnology Co., Ltd.


Comparative assessment of phytochemical profiles, antioxidant and antiproliferative activities of Sea buckthorn (Hippophaë rhamnoides L.) berries
來源:SCI:FOOD CHEMISTRY 作者:Ruixue Guo 備注:影響因子:4.052
引用描述

Quercetin (QE), gallic acid (GA), Folin-Ciocalteu reagent, 2,2′-azobis-amidinopropane (ABAP), and dichlorofluorescin diacetate (DCFH-DA) were purchased from Sigma-Aldrich Inc. (St. Louis, USA). Protocatechuic acid (PA), ferulic acid (FA), epicathin (Epi), catechin (CE), QE glycosides, isorhamnetin (IS) glycosides and kaempferol (KA) glycosides were purchased from Weikeqi Biological (Chengdu, China). Human liver cancer cells HepG2 were purchased from American Type Culture Collection (ATCC, Manassas, VA, USA).

Aqueous extract of Paeoniae Radix Rubra prevents deep vein thrombosis by ameliorating inflammation through inhibiting GSK3β activity
來源:SCI:PHYTOMEDICINE 作者:Ziqi Lu 備注:影響因子:5.34
引用描述

Enhanced chemiluminescent HRP substrate was from EMD Millipore (Temecula, CA, USA). Five standard compounds (i.e., gallic acid, catechin, albiflorin, paeoniflorin and benzoylpaeoniflorin) with exceeded 98% purity were from Sichuan Weikeqi Biotechnology Co., Ltd. (Sichuan, China). Methanol, formic acid and acetonitrile were bought from Sigma-Aldrich (Darmstadt, Germany).

Comparative Analysis of Chemical Constituents in Different Parts of Lotus by UPLC and QToF-MS
來源:SCI:MOLECULES 作者:Haotian Pei 備注:影響因子:4.412
引用描述

Five standard compounds, including rutin, quercetin, kaempferol, caffeic acid, and luteolin 7-glucoside, were purchased from the China National Institutes for Food and Drug Control. Six standard compounds, including isoquercitrin, isorhamnetin, catechin, epicatechin, nuciferine, and chlorogenic acid, were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Sichuan, China). The purity of all the regents was HPLC ≥ 98%.

Phenolic compounds, antioxidant activity, antiproliferative activity and bioaccessibility of Sea buckthorn (Hippophaë rhamnoides L.) berries as affected by in vitro digestion
來源:SCI:Food & Function 作者:Ruixue Guo 備注:影響因子:3.247
引用描述

Gallic acid, Folin-Ciocalteu reagent, 2, 2’-azobis-amidinopropane

(ABAP), and dichlorofluorescin diacetate (DCFH-DA) were

purchased from Sigma-Aldrich Inc. (St. Louis, USA). Isorhamnetin,

kaempferol, quercetin and their glycosides, syringic acid, p-cumaric

acid, epicatechin and catechin were purchased from Weikeqi

Biological (Chengdu, China). Alpha-amylase, Pepsin, Pancreatin, Bile

Extracts, Lipase, and Viscozyme L were purchased from SigmaAldrich, Ltd. (St. Louis, MO, USA). Human cancer cells HepG2, MCF7, MDA-MB-231 and Caco-2 were purchased from Sun Yat-Sen

University.


Characterization of phenolic constituents in Lithocarpus polystachyus
來源:SCI:Analytical Methods 作者:Ya Zhao 備注:影響因子:1.855
引用描述

Their identities were confirmed with 1H NMR, 13C NMR, and MS spectral analysis. Catechin (5), Naringin (25), Kaempferol-3-O-glucoside (37), Quercetin (50), Naringenin (52), Phloretin (58), and Kaempferol (59) were bought from Weikeqi Standards Corporation, China. Other standards such as Protocatechuic acid (3), Caffeoyl acid (8), and 5-O-caffeoyl shikimic acid (15) were previously isolated from other plants by our team members. The purity of all the standards was over 98%, as determined with HPLC analysis. The UPLC-PAD/ESI-MS analysis of 16 mixed standards is supplied as supplemental material (Fig. S2?).

Anti-inflammatory/anti-oxidant properties and the UPLC-QTOF/MS-based metabolomics discrimination of three yellow camellia species
來源:SCI:FOOD RESEARCH INTERNATIONAL 作者:Mingming Zhao 備注:影響因子:7.425
引用描述

Procyanidin B3, vicenin2, astilbin, kaempferol-3-sophoroside-7-rhamnoside, isoquercitrin, isochlorogenic acid A, rutin, cynaroside, hyperoside, genistein, kaempfeol-3-O-rutinoside, quercetin, kaempferol, catechin, (-)-epicatechin, luteolin, vitexin, oleanolic acid, and isookanin-7-O-glucoside (the purities of all standards were higher than 99 % by HPLC analysis) were purchased from Weikeqi-biotech Co., ltd. (Chengdu, Sichuan, China). Dimethyl sulfoxide (DMSO), lipopolysaccharides (LPS) from Escherichia coli O111:B4 and 3-[4,5-Dimethyl-2-thiazolyl]-2,5-diphenyltetrazolium bromide (MTT) were purchased from Sigma-Aldrich (St. Louis, MO, USA).

Temperature-responsive surfactant-free microemulsion solvent: Preparation, characterization and application of extraction hydrophobic and hydrophilic components in plant matrix
來源:SCI:INDUSTRIAL CROPS AND PRODUCTS 作者:Jian-Dong Wang 備注:影響因子:6.449
引用描述

The Rosa roxburghii leaves were purchased from Guizhou Lvyuan Food Company Limited (Guizhou, China) and air dried at room temperature, the water content of leaves was less than 10%, then grounded to powder using a blender, sieved (60 mesh) and stored prior to extraction. The standards used in this experiment which were purchased from Sichuan Weikeqi Biological Technology Co., Ltd. (Chengdu, China), including gallic acid, ellagic acid, catechin, rutin, quercetin, isoquercetin (purity ≥ 98%). Kajiichigoside F1 and roxburic acid were isolated from Rosa roxburghii leaves in this experiment (Pan et al., 2021).

相關(guān)產(chǎn)品
抱歉,暫時沒有相關(guān)產(chǎn)品
在線客服
熱線
028-81700200
熱線
400-800-5713
白燕
敬玉梅
韓先珍
蘇亞蘭
王若月
王思韻
李秋蘭
鮮風(fēng)玲
在線服務(wù)時間: 工作日 9:00-18:00
国产精品 日本 欧美 | 久久高清欧美国人妻精品 | 人妻偷国产拍网曝门91 | 波多野结衣乳视频在线观看 | 波多野结衣边做饭边被躁 | 综合福利天久久久 | 人妻少妇91果冻传媒麻豆 | 妓女妓女一区二区三区 | 亚州色图视频在线 | 少妇自慰免费看无码专区 | **夜色精品国产欧美乱 | 国产三级网站在线观看 | 又大jizz又粗又硬又爽又黄毛片视频 | 亚洲婷婷高清一区 | 人体窝窝7777777粗大野 | 国产91精品秘入口福利姬 | 18黄色视频在线观看 | 17c久久国产精品动作 | 亚洲精品久久激情国产片 | 国产乱国产乱老熟300部视频 | 中文字幕一区二区四区 | 强草后入激情演绎在线观看 | 少妇高潮灌满白浆毛片免费看 | 摸BBB揉BBB揉BBB视频火 | 免费看人与拘做受A片 | 91麻豆精品A片国产在线观看 | 国产一级一级毛片 | 国产一级a毛一级a看免费软件特色 | 欧洲无码A片人妻久尤物伊曼纽尔 | 亚洲国产精品无码久久久久久久久 | 91人妻五码一区二区三区 | 人人妻澡人人爽人人DVD | 一级婬片试看30分钟 | 91丨永久精品丨人妖 | 武侠古典成人区视频 | 性感女性黄色免费观看视频破解版 | 91福利国产在线观看 | 精品人妻中文无码AV在线 | 国产无遮挡A片又黄又爽 | 久久精品久久精品久久精品 | 人妻偷拍 熟女网站直播 |